Product Description:Model Number: E117070Polished chrome vanadium alloy makes the product more durableOgv / maxi drive profile applies force to the flats of the fastener (rather than weaker angled edges) for increased turning power and less rounding offComes with best solution for your concern that meets you needDurable enough to use over and over, yet affordable enough to treat as disposablesDesigned and manufactured by understanding your requirement that optimizes your utilityFeaturesColor Name : SilverMaterial : Polished Chrome Vanadium AlloyProduct Weight : 210 gSize : 28 millimeter